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NT backup

Stepping on a rake

Whammm! I did it again! How many times do I have to tell myself that Response.Redirect(string) throws an ThreadAbortException?! Here is the short version:

private void Page_Load(object sender, System.EventArgs e)
{
   try
   {
      Response.Redirect("page1.aspx");
   }
   catch
   {
      Response.Redirect("page2.aspx");
   }
}

As expected(?), browser ends up on page2.aspx. So far so good but let’s do something smart and catch the exception (ignoring decoding/encoding and other mundane stuff):

private void Page_Load(object sender, System.EventArgs e)
{
   try
   {
      Response.Redirect("page1.aspx");
   }
   catch (Exception ex)
   {
      Response.Redirect("page2.aspx?error=" + ex.ToString());
   }
}

Browser ends up on page1.aspx?! Now that’s weird. Peeking in IL source with Reflector failed to reveal any substantial differences between the two. The answer, I guess, is buried somewhere inside HttpResponse.End and Thread.Abort methods which is more than my brain can digest. Explanation, anyone?

Note to myself: never place Redirect inside try{} block but if you have to, make sure it looks like this:

private void Page_Load(object sender, System.EventArgs e)
{
   try
   {
      Response.Redirect("page1.aspx", false);
      return;
   }
   catch (Exception ex)
   {
      Response.Redirect("page2.aspx?error=" + ex.ToString());
   }
}

Laptop backups

I was quite sure that Raid was not an option for a laptop but Kenneth comment with this idea about my laptop (future) backup:
I use a notebook with a wireless adapter as a "terminal" into my development server using Remote Desktop Protocol.

[heLP .Net Blog]

USB RAID is not an option? Think twice :-). But seriously, I cannot think of my development life as meaningful until I bought and installed Norton Ghost. 14GB of stuff from my laptop (and where does it come from?!) backed up to my desktop over 100MBit wire in under 40 minutes, restore took about 25 (thanks to compression, I guess). Recommended.

Next item to buy: Lacie PocketDrive. The backup should be even faster.

Word of warning: DO NOT upgrade Ghost with LiveUpdate without following it up with fresh backup. Updated application cannot restore images created with previous versions. That's right, your previous backups are useless until you reinstall Ghost. That's just plain stupid, if not criminal, IMHO.

I'm finally blogging (after system restore)